httpcurl方法

public function httpcurl($url, $params = false, $ispost = 0){
		$ch = curl_init();
		curl_setopt( $ch, CURLOPT_HTTP_VERSION , CURL_HTTP_VERSION_1_1 );
		curl_setopt( $ch, CURLOPT_USERAGENT , 'Mozilla/5.0 (Windows; U; Windows NT 5.2) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.2.149.27 Safari/525.13' );
		curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT , 60 );
		curl_setopt( $ch, CURLOPT_TIMEOUT , 60);
		curl_setopt( $ch, CURLOPT_RETURNTRANSFER , true );
		curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, true);
		// 关闭SSL验证
		curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, false);
		curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false);
		if( $ispost ) {
			curl_setopt( $ch , CURLOPT_POST , true );
			curl_setopt( $ch , CURLOPT_POSTFIELDS , $params );
			curl_setopt( $ch , CURLOPT_URL , $url );
		} else {
			if($params){
				curl_setopt( $ch , CURLOPT_URL , $url.'?'.$params );
			}else{
				curl_setopt( $ch , CURLOPT_URL , $url);
			}
		}
		$response = curl_exec( $ch );
		if ($response === FALSE) {
			return false;
		}
		curl_close( $ch );
		return $response;
	}